Hardware Spec Index

Zephyra CL-9557 SE 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL9557-SE · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index2,417 (CPU Coolers scale)
Category rank#45,971
Street price$199
Power17 W
Performance per dollar12.15
Released2022

Specifications

BrandZephyra
ModelZephyra CL-9557 SE
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,500 RPM
Pump3,100 RPM
Rated cooling330 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-9009 Pro 360mm AIO Liquid CPU Cooler2,256$169Compare
Teralux CL-4608 Core 420mm AIO Liquid CPU Cooler1,924$149Compare
Brontix CL-8424 Edge 360mm AIO Liquid CPU Cooler1,849$119Compare
Zephyra CL-8751 Pro Single tower Air CPU Cooler1,392$69Compare
Zephyra CL-6334 Core Low profile Air CPU Cooler581$19Compare
Teralux CL-8891 Core Dual tower Air CPU Cooler2,465$199Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-9557 SE 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/70207 (accessed 2026-10-19).